Shimano Stabilizer Unit
Best chain security for gravel riders tackling rough, uneven terrain.
This derailleur brings quiet confidence to rough terrain with its adjustable chain stabilizer. It offers reliable shifting and compatibility with road levers, allowing you to tackle mixed surfaces without worry. Easily adapt to changing conditions by toggling the stabilizer for optimal performance.
$14.00
at
Marblehead Cycle
More GRX options
Who it's for
- Mountain bikers riding aggressive, technical, or bumpy terrain
- Riders who prefer a silent, distraction-free trail experience
- Cyclists running modern 1x drivetrains needing maximum security
Who should skip it
- Mechanics or riders who prefer low-maintenance, set-and-forget components
- Cyclists who prioritize light, effortless shifting lever action
- Weight-conscious racers or budget-focused bike builders
Performance breakdown
Chain Retention
The clutch mechanism virtually eliminates chain slap on aggressive gravel descents.
Shifting Precision
Crisp, reliable gear changes even under heavy load and muddy conditions.
Terrain Versatility
Seamlessly transitions between rough gravel trails and smooth tarmac efficiency.
Gearing Range
Wide 42T capacity handles steep climbs without sacrificing high-speed road gears.
System Compatibility
Integrates flawlessly with existing road levers for a streamlined cockpit setup.
Chain Retention
The clutch mechanism virtually eliminates chain slap on aggressive gravel descents.
Shifting Precision
Crisp, reliable gear changes even under heavy load and muddy conditions.
Terrain Versatility
Seamlessly transitions between rough gravel tracks and smooth tarmac efficiency.
Gearing Range
Wide 42T capacity handles steep climbs without sacrificing high-speed road gears.
System Compatibility
Integrates flawlessly with existing road Dual Control levers for easy upgrades.
Maintenance Ease
Requires occasional clutch tension adjustments to maintain peak performance over time.
Maintenance Ease
Simple on-off switch makes wheel removal and roadside adjustments straightforward.
Key Specs
Speeds
11-speed
Cage Length
Long Cage
Low cog
Max. 42T/Min. 40T
High cog
Max. 11T/Min. 11T
Total capacity
31T
Compatibility
MTB cassettes up to 42T
Compatibility
Current road Dual Control Levers
Know before you buy
Still have a question?
Ask Metto anything about the Shimano Stabilizer Unit before you decide.